add X9.31 prime generation routines from 0.9.8 branch

[openssl.git] / crypto / bn / bn.h

diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h
index 56d9f5f16e92592dd350484bec9b4aa92bcfc55b..7fe78bb774fb963a732628b0f3fa544bb35e0e55 100644 (file)
--- a/crypto/bn/bn.h
+++ b/crypto/bn/bn.h
@@ -129,8 +129,8 @@
 #ifndef OPENSSL_NO_FP_API
 #include <stdio.h> /* FILE */
 #endif
-#include <openssl/crypto.h>
 #include <openssl/ossl_typ.h>
+#include <openssl/crypto.h>
 
 #ifdef  __cplusplus
 extern "C" {
@@ -315,7 +315,8 @@ struct bn_mont_ctx_st
        BIGNUM N;      /* The modulus */
        BIGNUM Ni;     /* R*(1/R mod N) - N*Ni = 1
                        * (Ni is only stored for bignum algorithm) */
-       BN_ULONG n0[2];/* least significant word(s) of Ni */
+       BN_ULONG n0[2];/* least significant word(s) of Ni;
+                         (type changed with 0.9.9, was "BN_ULONG n0;" before) */
        int flags;
        };
 
@@ -415,8 +416,8 @@ BIGNUM *BN_CTX_get(BN_CTX *ctx);
 void   BN_CTX_end(BN_CTX *ctx);
 int     BN_rand(BIGNUM *rnd, int bits, int top,int bottom);
 int     BN_pseudo_rand(BIGNUM *rnd, int bits, int top,int bottom);
-int    BN_rand_range(BIGNUM *rnd, BIGNUM *range);
-int    BN_pseudo_rand_range(BIGNUM *rnd, BIGNUM *range);
+int    BN_rand_range(BIGNUM *rnd, const BIGNUM *range);
+int    BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range);
 int    BN_num_bits(const BIGNUM *a);
 int    BN_num_bits_word(BN_ULONG);
 BIGNUM *BN_new(void);
@@ -539,6 +540,17 @@ int        BN_is_prime_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, BN_GENCB *cb);
 int    BN_is_prime_fasttest_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx,
                int do_trial_division, BN_GENCB *cb);
 
+int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx);
+
+int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+                       const BIGNUM *Xp, const BIGNUM *Xp1, const BIGNUM *Xp2,
+                       const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb);
+int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
+                       BIGNUM *Xp1, BIGNUM *Xp2,
+                       const BIGNUM *Xp,
+                       const BIGNUM *e, BN_CTX *ctx,
+                       BN_GENCB *cb);
+
 BN_MONT_CTX *BN_MONT_CTX_new(void );
 void BN_MONT_CTX_init(BN_MONT_CTX *ctx);
 int BN_mod_mul_montgomery(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,
@@ -568,8 +580,7 @@ int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *);
 unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *);
 void BN_BLINDING_set_thread_id(BN_BLINDING *, unsigned long);
 #endif
-void BN_BLINDING_set_thread(BN_BLINDING *);
-int BN_BLINDING_cmp_thread(const BN_BLINDING *, const CRYPTO_THREADID *);
+CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *);
 unsigned long BN_BLINDING_get_flags(const BN_BLINDING *);
 void BN_BLINDING_set_flags(BN_BLINDING *, unsigned long);
 BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
@@ -752,10 +763,12 @@ int RAND_pseudo_bytes(unsigned char *buf,int num);
 #define bn_correct_top(a) \
         { \
         BN_ULONG *ftl; \
-       if ((a)->top > 0) \
+       int tmp_top = (a)->top; \
+       if (tmp_top > 0) \
                { \
-               for (ftl= &((a)->d[(a)->top-1]); (a)->top > 0; (a)->top--) \
-               if (*(ftl--)) break; \
+               for (ftl= &((a)->d[tmp_top-1]); tmp_top > 0; tmp_top--) \
+                       if (*(ftl--)) break; \
+               (a)->top = tmp_top; \
                } \
        bn_pollute(a); \
        }